package org.smart4j.framework.helper;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

/**
 * @author Jungle
 * @created 2017/5/21 21:18
 */
public class BeanHelper {
	private static final Map<Class<?>,Object> BEAN_MAP = new HashMap<Class<?>,Object>();
	static {
		Set<Class<?>> beanClassSet = ClassHelper.getBeanClassSet();
		for(Class<?> beanClass:beanClassSet){
			Object obj = ReflectionUtil.newInstance(beanClass);
			BEAN_MAP.put(beanClass,obj);
		}
	}
	public static Map<Class<?>,Object> getBeanMap(){
		return BEAN_MAP;
	}
	@SuppressWarnings("unchecked")
	public static <T> T getBean(Class<T> cls){
		if(!BEAN_MAP.containsKey(cls)){
			throw new RuntimeException("can not get bean by class: "+cls);
		}
		return (T)BEAN_MAP.get(cls);
	}


}
